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. 2021 Jan 15;11:608000. doi: 10.3389/fneur.2020.608000

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Copyright © 2021 Ye, Li, Wang, Lan, Li, Yin, Guo, Zhang, Yang, Liang, Wu, Li and Sheng.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Cox regression analysis of further cerebral ischemic attacks in adult patients with ischemic moyamoya disease treated by different methods. (A,B) The cumulative survival before (χ² = 7.188; p = 0.027) and after matching (χ² = 8.987; p = 0.011). (C,D) The cumulative risk before (χ² = 7.188; p = 0.027) and after matching (χ² = 8.987; p = 0.011).